Alright, let's work through 62386625 times 71008071 step by step
62386625 × 71008071 = 71008071 × (62386625)
+ 71008071 × 5 what gives us 355040355
+ 71008071 × 20 that is equal 1420161420
+ 71008071 × 600 that results in 42604842600
+ 71008071 × 6000 giving us 426048426000
+ 71008071 × 80000 producing 5680645680000
+ 71008071 × 300000 giving us 21302421300000
+ 71008071 × 2000000 that results in 142016142000000
+ 71008071 × 60000000 yielding 4260484260000000

= 4429953897450375
